Configured for non-contacting shaft displacement and vibration measurements in 3300 XL NSv system networks, the Bently Nevada 330903-16-23-10-01-00 (330903 Proximity Probe) provides direct physical/electrical execution.

Suffix Breakdown and Model Parameters

• 330903: 3300 NSv series base probe equipped with an M8x1 thread, without outer armor cladding.
• 16: Defines a 160 mm minimum unthreaded length section on the case body.
• 23: Sets the minimum overall case length to 230 mm.
• 10: Specifies a total hardware cable length of 1.0 meter (39 in).
• 01: Features a miniature coaxial ClickLoc connector bundled with a connector protector on standard cable.
• 00: Indicates no specialized hazardous area agency approvals are required.

Hardware Specifications

Eddy-Current Probe Scaling and Cross-Talk Suppression

The 3300 NSv sensing element applies specialized eddy-current probe scaling to map concentrated magnetic flux lines against small target surfaces. Operating effectively within tight mechanical clearances, the probe achieves precise rotor dynamics tracking while maintaining stringent cross-talk suppression. This geometry prevents signal bleeding between adjacent transducer coils during multi-axis installations.

Supply Package Inventory

• 1 x 330903-16-23-10-01-00 3300 NSv Proximity Probe
• 1 x Coaxial Connector Protector Sleeve Kit

Mechanical Installation Requirements

• Thread Alignment & Torquing
  • Rotate the M8x1 threaded barrel into the structural boss manually to prevent galling against the thin case wall.
  • Ensure a minimum of 5 full mechanical thread engagements within the bracket to hold position under machine frame vibration.
• Coaxial Cable Routing Constraints
  • Route the 1.0 meter unarmored cable through secured protective conduits isolated from high-voltage supply bundles.
  • Enforce a continuous minimum physical bend radius of 25.4 mm (1.0 in) across all support loops to protect internal wire integrity.

Engineering Technical FAQ

• What nominal gap voltage target is utilized during field calibration of the NSv transducer loop?

  The condition monitoring system relies on standard gap voltage validation, targeting -10 VDC at the physical midpoint of the linear tracking band.

• Can the 330903-16-23-10-01-00 operate directly with standard 3300 XL 8 mm Proximitor modules?

  No, the NSv coil design possesses different electrical tuning logic and strictly requires a matching 3300 XL NSv Proximitor to function accurately.

• What fault condition arises if liquid enters the miniature ClickLoc connector interface?

  Fluid ingress alters the high-frequency loop impedance, immediately degrading the eddy-current probe scaling output and triggering false alarms.

• How does the 160 mm unthreaded length option assist in mechanical field mounting?

  The 160 mm smooth section provides structural clearance for deep bearing housings, limiting the threaded portion to the final mounting depth.

• Does this unarmored configuration mandate external mechanical shielding inside the casing?

  If the internal routing area is exposed to abrasive fluids or high-velocity mechanical debris, the standard cable requires secondary conduit protection.

• How does the included connector protector mitigate electrical ground loop interference?

  The polymer protector sleeve covers the ClickLoc metal chassis, electrically isolating the coaxial shield from touching the grounded machinery frame.

• Is external coolant necessary if the probe runs continuously near hot fluid-film bearings?

  No, the internal transducer coil elements and polymers are rated to continuously withstand operating temperatures up to +177 deg C passively.

• What specific signal response occurs if the spinning target completely leaves the linear range?

  The transducer loop driver output will electrically saturate to its maximum negative voltage rail, initiating an explicit hardware fault state.